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CHAP. 15]

CIRCUIT ANALYSIS USING SPICE AND PSPICE

377

EXAMPLE 15.17 Use Probe to plot V in the circuit in Fig. 15-17(a) for f varying from 1 to 3 kHz in 100 steps. also, R from 500 to 1 k in steps of 100 . Using .MODEL command we create the resistor RLeak and sweep its value by .STEP in the following source file. The graph of the frequency response V versus f is plotted by using Probe and it is shown in Fig. 15-17(b). Parallel resonance with variable R, Fig. I 0 1 AC R 1 0 RLeak L 1 0 10 m C 1 0 1u .MODEL RLeak RES(R ¼ 1Þ .STEP LIN RES .AC LIN 100 1k .PROBE .END

15-17 1m 0 1

RLeak(R) 3k

Fig. 15-17

500

1k

100

Mahmood_Nahvi_eBook_Schaum_s_Outlines_Theory_An  
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